#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>
#include <windows.h>
#include <string.h>
int  main()
{
	char arr1[] = "welcome to bit!!!";
	char arr2[] = "*****************";
	int left = 0;
	int right = strlen(arr1) - 1;
	while (left <= right)
	{
		arr2[left] = arr1[left];
		arr2[right] = arr1[right];
		Sleep(1000);
		system("cls");
		printf("%s\n", arr2);
		left++;
		right--;
	}

	return 0;
}
